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1#
2# arch/x86/boot/Makefile
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License. See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8# Copyright (C) 1994 by Linus Torvalds
9# Changed by many, many contributors over the years.
10#
11
12# If you want to preset the SVGA mode, uncomment the next line and
13# set SVGA_MODE to whatever number you want.
14# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
15# The number is the same as you would ordinarily press at bootup.
16
17SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
18
19targets := vmlinux.bin setup.bin setup.elf bzImage
20targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
21subdir- := compressed
22
23setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
24setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o
25setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
26setup-y += video-mode.o version.o
27setup-$(CONFIG_X86_APM_BOOT) += apm.o
28
29# The link order of the video-*.o modules can matter. In particular,
30# video-vga.o *must* be listed first, followed by video-vesa.o.
31# Hardware-specific drivers should follow in the order they should be
32# probed, and video-bios.o should typically be last.
33setup-y += video-vga.o
34setup-y += video-vesa.o
35setup-y += video-bios.o
36
37targets += $(setup-y)
38hostprogs-y := mkcpustr tools/build
39
40HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
41 -include include/generated/autoconf.h \
42 -D__EXPORTED_HEADERS__
43
44$(obj)/cpu.o: $(obj)/cpustr.h
45
46quiet_cmd_cpustr = CPUSTR $@
47 cmd_cpustr = $(obj)/mkcpustr > $@
48targets += cpustr.h
49$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
50 $(call if_changed,cpustr)
51
52# ---------------------------------------------------------------------------
53
54KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
55KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
56GCOV_PROFILE := n
57
58$(obj)/bzImage: asflags-y := $(SVGA_MODE)
59
60quiet_cmd_image = BUILD $@
61cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
62 $(obj)/zoffset.h $@
63
64$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
65 $(call if_changed,image)
66 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
67
68OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
69$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
70 $(call if_changed,objcopy)
71
72SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
73
74sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
75
76quiet_cmd_voffset = VOFFSET $@
77 cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
78
79targets += voffset.h
80$(obj)/voffset.h: vmlinux FORCE
81 $(call if_changed,voffset)
82
83sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
84
85quiet_cmd_zoffset = ZOFFSET $@
86 cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
87
88targets += zoffset.h
89$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
90 $(call if_changed,zoffset)
91
92
93AFLAGS_header.o += -I$(obj)
94$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
95
96LDFLAGS_setup.elf := -T
97$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
98 $(call if_changed,ld)
99
100OBJCOPYFLAGS_setup.bin := -O binary
101$(obj)/setup.bin: $(obj)/setup.elf FORCE
102 $(call if_changed,objcopy)
103
104$(obj)/compressed/vmlinux: FORCE
105 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
106
107# Set this if you want to pass append arguments to the
108# bzdisk/fdimage/isoimage kernel
109FDARGS =
110# Set this if you want an initrd included with the
111# bzdisk/fdimage/isoimage kernel
112FDINITRD =
113
114image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
115
116$(obj)/mtools.conf: $(src)/mtools.conf.in
117 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
118
119# This requires write access to /dev/fd0
120bzdisk: $(obj)/bzImage $(obj)/mtools.conf
121 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
122 syslinux /dev/fd0 ; sync
123 echo '$(image_cmdline)' | \
124 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
125 if [ -f '$(FDINITRD)' ] ; then \
126 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
127 fi
128 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync
129
130# These require being root or having syslinux 2.02 or higher installed
131fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
132 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
133 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
134 syslinux $(obj)/fdimage ; sync
135 echo '$(image_cmdline)' | \
136 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
137 if [ -f '$(FDINITRD)' ] ; then \
138 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
139 fi
140 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync
141
142fdimage288: $(obj)/bzImage $(obj)/mtools.conf
143 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
144 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
145 syslinux $(obj)/fdimage ; sync
146 echo '$(image_cmdline)' | \
147 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
148 if [ -f '$(FDINITRD)' ] ; then \
149 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
150 fi
151 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync
152
153isoimage: $(obj)/bzImage
154 -rm -rf $(obj)/isoimage
155 mkdir $(obj)/isoimage
156 for i in lib lib64 share end ; do \
157 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
158 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
159 break ; \
160 fi ; \
161 if [ $$i = end ] ; then exit 1 ; fi ; \
162 done
163 cp $(obj)/bzImage $(obj)/isoimage/linux
164 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
165 if [ -f '$(FDINITRD)' ] ; then \
166 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
167 fi
168 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
169 -no-emul-boot -boot-load-size 4 -boot-info-table \
170 $(obj)/isoimage
171 isohybrid $(obj)/image.iso 2>/dev/null || true
172 rm -rf $(obj)/isoimage
173
174bzlilo: $(obj)/bzImage
175 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
176 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
177 cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
178 cp System.map $(INSTALL_PATH)/
179 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
180
181install:
182 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
183 System.map "$(INSTALL_PATH)"
1#
2# arch/x86/boot/Makefile
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License. See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8# Copyright (C) 1994 by Linus Torvalds
9# Changed by many, many contributors over the years.
10#
11
12# If you want to preset the SVGA mode, uncomment the next line and
13# set SVGA_MODE to whatever number you want.
14# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
15# The number is the same as you would ordinarily press at bootup.
16
17SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
18
19targets := vmlinux.bin setup.bin setup.elf bzImage
20targets += fdimage fdimage144 fdimage288 image.iso hdimage
21subdir- := compressed
22
23setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
24setup-y += early_serial_console.o edd.o header.o main.o memory.o
25setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
26setup-y += video-mode.o version.o
27setup-$(CONFIG_X86_APM_BOOT) += apm.o
28
29# The link order of the video-*.o modules can matter. In particular,
30# video-vga.o *must* be listed first, followed by video-vesa.o.
31# Hardware-specific drivers should follow in the order they should be
32# probed, and video-bios.o should typically be last.
33setup-y += video-vga.o
34setup-y += video-vesa.o
35setup-y += video-bios.o
36
37targets += $(setup-y)
38hostprogs := tools/build
39hostprogs += mkcpustr
40
41HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
42 -include include/generated/autoconf.h \
43 -D__EXPORTED_HEADERS__
44
45$(obj)/cpu.o: $(obj)/cpustr.h
46
47quiet_cmd_cpustr = CPUSTR $@
48 cmd_cpustr = $(obj)/mkcpustr > $@
49$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
50 $(call if_changed,cpustr)
51targets += cpustr.h
52
53# ---------------------------------------------------------------------------
54
55KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP
56KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
57KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
58KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
59KBUILD_CFLAGS += $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
60
61$(obj)/bzImage: asflags-y := $(SVGA_MODE)
62
63quiet_cmd_image = BUILD $@
64silent_redirect_image = >/dev/null
65cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
66 $(obj)/zoffset.h $@ $($(quiet)redirect_image)
67
68$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
69 $(call if_changed,image)
70 @$(kecho) 'Kernel: $@ is ready' ' (#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
71
72OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
73$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
74 $(call if_changed,objcopy)
75
76SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
77
78sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [a-zA-Z] \(startup_32\|efi.._stub_entry\|efi\(32\)\?_pe_entry\|input_data\|kernel_info\|_end\|_ehead\|_text\|_e\?data\|z_.*\)$$/\#define ZO_\2 0x\1/p'
79
80quiet_cmd_zoffset = ZOFFSET $@
81 cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
82
83targets += zoffset.h
84$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
85 $(call if_changed,zoffset)
86
87
88AFLAGS_header.o += -I$(objtree)/$(obj)
89$(obj)/header.o: $(obj)/zoffset.h
90
91LDFLAGS_setup.elf := -m elf_i386 -z noexecstack -T
92$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
93 $(call if_changed,ld)
94
95OBJCOPYFLAGS_setup.bin := -O binary
96$(obj)/setup.bin: $(obj)/setup.elf FORCE
97 $(call if_changed,objcopy)
98
99$(obj)/compressed/vmlinux: FORCE
100 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
101
102# Set this if you want to pass append arguments to the
103# bzdisk/fdimage/hdimage/isoimage kernel
104FDARGS =
105# Set this if you want one or more initrds included in the image
106FDINITRD =
107
108imgdeps = $(obj)/bzImage $(obj)/mtools.conf $(src)/genimage.sh
109
110$(obj)/mtools.conf: $(src)/mtools.conf.in
111 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
112
113targets += mtools.conf
114
115# genimage.sh requires bash, but it also has a bunch of other
116# external dependencies.
117quiet_cmd_genimage = GENIMAGE $3
118 cmd_genimage = $(BASH) $(src)/genimage.sh $2 $3 $(obj)/bzImage \
119 $(obj)/mtools.conf '$(FDARGS)' $(FDINITRD)
120
121PHONY += bzdisk fdimage fdimage144 fdimage288 hdimage isoimage
122
123# This requires write access to /dev/fd0
124# All images require syslinux to be installed; hdimage also requires
125# EDK2/OVMF if the kernel is compiled with the EFI stub.
126bzdisk: $(imgdeps)
127 $(call cmd,genimage,bzdisk,/dev/fd0)
128
129fdimage fdimage144: $(imgdeps)
130 $(call cmd,genimage,fdimage144,$(obj)/fdimage)
131 @$(kecho) 'Kernel: $(obj)/fdimage is ready'
132
133fdimage288: $(imgdeps)
134 $(call cmd,genimage,fdimage288,$(obj)/fdimage)
135 @$(kecho) 'Kernel: $(obj)/fdimage is ready'
136
137hdimage: $(imgdeps)
138 $(call cmd,genimage,hdimage,$(obj)/hdimage)
139 @$(kecho) 'Kernel: $(obj)/hdimage is ready'
140
141isoimage: $(imgdeps)
142 $(call cmd,genimage,isoimage,$(obj)/image.iso)
143 @$(kecho) 'Kernel: $(obj)/image.iso is ready'